Cyrus murder scalability

[Ken Murchison]

Vladimir Nikolic wrote:
> Hi,
> 
> I have questions regarding murder scalability. Untill last week we had 
> one imap server with about 50000 users and 2TB mailboxes. Server was 
> overloaded and little slow but there was no troubles like connections 
> drop and repeatedly asking users for password.
> Now we have that old server and three new servers in murder 
> configuration (1 frontend, 1 murder master in 2 backends) and we have 
> full troubles with users (almost all of them with pop3 accounts) 
> complaining that mail clients repeatedly asking for password. Logs on 
> fronted are full of lines:
> 
> pop3[12914]: couldn't authenticate to backend server
> pop3[9822]: couldn't authenticate to backend server: authentication failure

What version of Cyrus?

Do you only have this problem with POP3?  IMAP and LMTP connections are 
proxied to the backends without any problems?

-- 
Kenneth Murchison
Systems Programmer
Project Cyrus Developer/Maintainer
Carnegie Mellon University